In my city they have a fleet of double decker buses for tourists -- some of them have just a deck and rows of seats on the upper level, and others have a smaller upper deck, and a section of enclosed 2nd story seating. I think it would be brilliant to convert one of these buses into an RV with a rooftop
dining terrace (and perhaps a 2nd story bedroom). You could even surround the rails with wind- and sun-resistant potted plants for added atmosphere. These buses have twice the charm of your typical RV, easy!

Great ... bigger RV's , hey just think of the increased pollution, road smashes where the normal car is oblierated at 50kph by the moving obscenity, kids killed at 20kph because the front of the RV is designed to push down and don't forget the utter destruction of the natural environment by retards going...'offroad' and creating a huge mud hole where natural habitat once stood.
I guess apart from that bigger RV's are good.